Rake task to synchronous continuous deployment of Rails application deployed on Heroku

integrate.rake

# -*- encoding : utf-8 -*-
namespace :integration do
  namespace :heroku do
    task :add_remote do
      sh "git remote add staging git@heroku.com:nomedoprojeto-staging.git" if `git remote |grep staging`.strip.blank?
      sh "git remote add production git@heroku.com:com:nomedoprojeto-production.git" if `git remote |grep production`.strip.blank?
    end

    task :check do
      var = `heroku config -s --app nomedoprojeto-staging|grep INTEGRATING_BY`
      integrating_by = var.split('=')[1]
      integrating_by.strip! unless integrating_by.blank?
      user = `whoami`.strip
      if !integrating_by.blank? and integrating_by != user
        p80 "Project is already being integrated by #{integrating_by}"
        exit
      end
    end
    task :lock do
      user = `whoami`.strip
      sh "heroku config:add INTEGRATING_BY=#{user} --app nomedoprojeto-staging"
    end
    task :unlock do
      `heroku config:remove INTEGRATING_BY --app nomedoprojeto-staging`
    end
  end
end

INTEGRATION_TASKS = %w(
  integration:start
  integration:bundle_install
  db:migrate
  spec
  integration:coverage_verify
  integration:heroku:add_remote
  integration:heroku:check
  integration:heroku:lock
  integration:hipchat:announce
  integration:finish
  heroku:deploy:staging
  integration:hipchat:finish
  integration:heroku:unlock
)